7(y-3)+3(y+4)=81

Simple and best practice solution for 7(y-3)+3(y+4)=81 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7(y-3)+3(y+4)=81 equation:


Simplifying
7(y + -3) + 3(y + 4) = 81

Reorder the terms:
7(-3 + y) + 3(y + 4) = 81
(-3 * 7 + y * 7) + 3(y + 4) = 81
(-21 + 7y) + 3(y + 4) = 81

Reorder the terms:
-21 + 7y + 3(4 + y) = 81
-21 + 7y + (4 * 3 + y * 3) = 81
-21 + 7y + (12 + 3y) = 81

Reorder the terms:
-21 + 12 + 7y + 3y = 81

Combine like terms: -21 + 12 = -9
-9 + 7y + 3y = 81

Combine like terms: 7y + 3y = 10y
-9 + 10y = 81

Solving
-9 + 10y = 81

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 10y = 81 + 9

Combine like terms: -9 + 9 = 0
0 + 10y = 81 + 9
10y = 81 + 9

Combine like terms: 81 + 9 = 90
10y = 90

Divide each side by '10'.
y = 9

Simplifying
y = 9

See similar equations:

| y^2-x-2=0 | | -10(-2-k)+4(3+4k)= | | 8x+7y=52 | | 27y^2-35y+8= | | -6x+-17=19 | | 3a^2-5a-2= | | -2(7x+1)=-3-9x | | -8+(-8y+14)+2y=-10-3y-5 | | -17h+27=-20h | | 2+5*3+6=x | | 23q=13q+80 | | 3x-8=2x | | .66y=6.16 | | -(8-4n)+5(7n+4)= | | 75=-5(6y+3) | | 3-8=-9 | | 14x^2+3x-5= | | 4f-11=29 | | 2p-p+8=5 | | x-5-5x-1= | | 0.2x+9=21 | | 2X^2-28X=-98 | | 4+13=6 | | 2x+2-4x=-6 | | 95+9z=-4z-35 | | 5x-2(3x-8)=-3x-15+5 | | 15-2p-2p=-10p-9p | | -13y=39 | | -22t+48=-28t | | 3a-12+2a+2=10-5a | | -4x=2x+12 | | 5g+4(-5+3g)=1 |

Equations solver categories